oh boy,its a tach less car. I use a hand optical tach, that works on all machines, any rotating device.
yes the tach is missing but the harness has brown wire, on my 91 , i added a cluster with tacho and it ran .
the brown wire at the fire wall spark arrestor, is the test point for tacho.
btw , most electrical tachometers, fail on most cars. due to NO standards. that is why i use a opto.
there are timing lights with a built in tacho. (set cylinder count first)
this is because the tacho lines vary in signals, there are like 100 unique ignition systems in use, no 2 the same,
the FSM does cover this but as you know, the tools are not sold , from that book they are suzuki dealer tools, non are sold , nor the duty cycle set tool.
http://www.fixkick.com/ECU/8v-tbi-schematic91to95.jpg
see ECU pin A1, tacho, that goes to ECU, Cruise control and to dash tacho, this drawing is SIMPLE type, only covers engine ops.
new link
http://www.fixkick.com/IGN_timing/index.html#tachmeters
yes the tach is missing but the harness has brown wire, on my 91 , i added a cluster with tacho and it ran .
the brown wire at the fire wall spark arrestor, is the test point for tacho.
btw , most electrical tachometers, fail on most cars. due to NO standards. that is why i use a opto.
there are timing lights with a built in tacho. (set cylinder count first)
this is because the tacho lines vary in signals, there are like 100 unique ignition systems in use, no 2 the same,
the FSM does cover this but as you know, the tools are not sold , from that book they are suzuki dealer tools, non are sold , nor the duty cycle set tool.
http://www.fixkick.com/ECU/8v-tbi-schematic91to95.jpg
see ECU pin A1, tacho, that goes to ECU, Cruise control and to dash tacho, this drawing is SIMPLE type, only covers engine ops.
new link
http://www.fixkick.com/IGN_timing/index.html#tachmeters
http://www.fixkick.com